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| 型号： | TC620CCPA |
| 厂商： | Microchip Technology |
| 文件页数： | 6/14页 |
| 文件大小： | 0K |
| 描述： | IC TEMP SNSR 5V DUAL TRIP 8-DIP |
| 标准包装： | 60 |
| 感应温度： | 0°C ~ 70°C |
| 输出类型： | 高有效 |
| 电源电压： | 4.5 V ~ 18 V |
| 精确度： | ±1°C |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-PDIP |
| 包装： | 管件 |
| 产品目录页面： | 682 (CN2011-ZH PDF) |
| 其它名称： | 158-1124 158-1124-ND TC620CCPAR TC620CCPAR-ND |
TC620/TC621
3.3
Using the TC621
The TC621 operation is similar to that of the TC620, but
requires an external NTC thermistor. Use the resis-
tance versus temperature curve of the thermistor to
determine the values of the programming resistors.
Note that the pin numbers for the HIGH SET and LOW
SET programming resistors for the TC621 are reversed
versus that of the TC620 (i.e., the resistor value on
HIGH SET [Pin 2] should always be lower than the one
connected to LOW SET [Pin 3]). Also note that the
outputs of the TC621 are LOW TRUE when used with
350
300
250
200
150
100
50
an NTC thermistor.
0
0
10
20
30
40
50
60
70
3.4
TC621 Thermistor Selection
TEMPERATURE (°C)
The TC621 uses an external thermistor to monitor the
controlling temperature. A thermistor with a resistance
FIGURE 3-4:
Typical NTC Thermistor
value of approximately 100 k Ω
recommended.
at 25°C is
3.5
TC620/TC621 Outputs
A temperature set point is selected by picking a resis-
tor whose value is equal to the resistance of the ther-
mistor at the desired temperature. For example, using
the data shown in Figure 3-4, a 30 k Ω resistor between
HIGH TEMP (Pin 2) and V DD (Pin 8) sets the high
temperature trip point at +51°C and a 49 k Ω resistor on
LOW TEMP (Pin 3) sets the low temperature trip point
to +41°C.
DS21439C-page 6
Both devices have complimentary output stages. They
are rated at a source or sink current of 1 mA maximum.
? 2006 Microchip Technology Inc.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC620CEOA | 功能描述:板上安装温度传感器 Int Sensor C Opt. RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| TC620CEOA | 制造商:Microchip Technology Inc 功能描述:IC TEMPERATURE SENSOR 1 8-SOIC |
| TC620CEOA713 | 功能描述:板上安装温度传感器 Int Sensor C Opt. RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| TC620CEPA | 功能描述:板上安装温度传感器 Int Sensor C Opt. RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| TC620CMJA | 制造商:Microchip Technology Inc 功能描述:TEMP SWITCH INT |
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